const http = require('http');
const server = http.createServer();
server.on('request', (req, res) => {
    var url = req.url;
    var content = '<h1>404 NOT Found!</h1>'
    if (url == '/' || url == '/index.html') {

        content = '<h1>首页</h1>'

    } else if (url == '/about.html') {
        content = '<h1>详情页面</h1>';
    }
    res.setHeader('Content-Type', 'text/html;charset=utf-8;');
    res.end(content);
});
server.listen(80, () => {
    console.log('默认请求 http://127.0.0.1');
});